1195561725 has 24 divisors (see below), whose sum is σ = 1978495392. Its totient is φ = 637041600.

The previous prime is 1195561709. The next prime is 1195561727. The reversal of 1195561725 is 5271655911.

It is not a de Polignac number, because 1195561725 - 2⁴ = 1195561709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195561727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81019 + ... + 94631.

It is an arithmetic number, because the mean of its divisors is an integer number (82437308).

Almost surely, 2^1195561725 is an apocalyptic number.

1195561725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1195561725 is a deficient number, since it is larger than the sum of its proper divisors (782933667).

1195561725 is a wasteful number, since it uses less digits than its factorization.

1195561725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14797 (or 14792 counting only the distinct ones).

The product of its digits is 94500, while the sum is 42.

The square root of 1195561725 is about 34576.8958265487. The cubic root of 1195561725 is about 1061.3468476449.

The spelling of 1195561725 in words is "one billion, one hundred ninety-five million, five hundred sixty-one thousand, seven hundred twenty-five".